Mitsubishi Electric MELSEC FX3U Programming Manual page 435

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Explanation of function and operation
1. 16-bit operation (ROTC)
The table rotation is controlled by "m2",
out of the rotary table divided into "m1" (=10) sections as shown in the figure below.
Port No. 0
Port No. 1
1) Register (word device) specifying the calling condition
S
+ 1
S
S + 2
2) Register (bit device) specifying the calling condition
:
D
D + 1
D + 2
+ 3
D
D + 4
D + 5
+ 6
D
D + 7
D S
1
Command
Zero point
Product
detection
9
X000(M0)
0
Detection
switch
1
X001(M1)
2
Works as a register for counting.
Sets the port No. to be called.
Sets the product No. to be called.
A phase signal
B phase signal
Zero point detection signal
Forward rotation at high speed
Forward rotation at low speed
Stop
Backward rotation at low speed
Backward rotation at high speed
14 Handy Instruction – FNC 60 to FNC 69
14.9 FNC 68 – ROTC / Rotary Table Control
and D D so that a product can be efficiently put into or taken
1
S
m1
FNC 68
D200 K10
ROTC
Calling Number
condition of
register divisions
(word device)
8
7
6
Forward rotation
5
4
3
Rotary table
D S
1
Set them in advance using a transfer instruction.
D D
1
Construct an internal contact circuit in advance which is
driven by the input signal (X)
D
m2
K2 M0
Number Calling
of low- condition
speed register
sections (bit device)
11
12
13
14
15
16
17
18
19
20
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